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Digital Electronics

Digital Electronics
10’s complement of 63325600 is

 36674400
 366744399
 36774400
 633256600

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Digital Electronics
The decimal number 0.246 in binary is

 0.001101
 0.011011
 0.001111
 0.010111

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Digital Electronics
The fast logic family is

  TTL.
  TRL.
  ECL.
  DRL.

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Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4Mhz the crossover frequency is given by

 2 Mhz
 1 Khz
 2 Khz
 8 Mhz

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Operating
 Run-time
 Truth
 Propagation

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Digital Electronics
In Boolean algebra A.A is equal to

 A²
 A
 1
 2A

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